2011781120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 4854245760

約数和(自身を除く): 2842464640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 512, 640, 881, 892, 1024, 1115, 1280, 1762, 1784, 2048, 2230, 2560, 3524, 3568, 4405, 4460, 5120, 7048, 7136, 8810, 8920, 10240, 14096, 14272, 17620, 17840, 28192, 28544, 35240, 35680, 56384, 57088, 70480, 71360, 112768, 114176, 140960, 142720, 196463, 225536, 228352, 281920, 285440, 392926, 451072, 456704, 563840, 570880, 785852, 902144, 982315, 1127680, 1141760, 1571704, 1804288, 1964630, 2255360, 2283520, 3143408, 3929260, 4510720, 6286816, 7858520, 9021440, 12573632, 15717040, 25147264, 31434080, 50294528, 62868160, 100589056, 125736320, 201178112, 251472640, 402356224, 502945280, 1005890560, 2011781120]

約数ペア:

[(1, 2011781120), (2, 1005890560), (4, 502945280), (5, 402356224), (8, 251472640), (10, 201178112), (16, 125736320), (20, 100589056), (32, 62868160), (40, 50294528), (64, 31434080), (80, 25147264), (128, 15717040), (160, 12573632), (223, 9021440), (256, 7858520), (320, 6286816), (446, 4510720), (512, 3929260), (640, 3143408), (881, 2283520), (892, 2255360), (1024, 1964630), (1115, 1804288), (1280, 1571704), (1762, 1141760), (1784, 1127680), (2048, 982315), (2230, 902144), (2560, 785852), (3524, 570880), (3568, 563840), (4405, 456704), (4460, 451072), (5120, 392926), (7048, 285440), (7136, 281920), (8810, 228352), (8920, 225536), (10240, 196463), (14096, 142720), (14272, 140960), (17620, 114176), (17840, 112768), (28192, 71360), (28544, 70480), (35240, 57088), (35680, 56384)]